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Analog Devices Inc. LTC1407ACMSE#PBF
- Part No.:
- LTC1407ACMSE#PBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad
- Datasheet:
-
LTC1407ACMSE#PBF.pdf
- Description:
- IC ADC 14BIT PIPELINED 10MSOP
- Quantity:
- Payment:
- Shipping:
Inventory:1,491
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Product details
Overview
LTC1407ACMSE#PBF from Analog Devices (formerly Linear Technology) is a 14-bit, 3Msps simultaneous-sampling dual-channel ADC with two fully differential inputs, 1.5Msps per channel throughput, 80dB CMRR at 100kHz, and operation from a single 3V supply. It delivers 73.5dB SINAD at 750kHz input and supports high-precision data acquisition in portable telecom and motor control systems.
For engineers reviewing the LTC1407ACMSE#PBF datasheet, LTC1407ACMSE#PBF pinout, LTC1407ACMSE#PBF application, or LTC1407ACMSE#PBF equivalent, key selection criteria include simultaneous sampling accuracy, 14-bit resolution with ±0.5 LSB integral linearity, 32-clock serial interface timing, and MSOP-10 package thermal performance under 1.5Msps continuous conversion.
Technical Context
The LTC1407ACMSE#PBF integrates two independent sample-and-hold circuits triggered simultaneously on the rising edge of CONV, enabling true time-aligned acquisition across CH0 and CH1. Its internal 2.5V bandgap reference provides ±15 ppm/°C tempco and settles in 2ms after wake-up from Sleep mode.
Conversion uses a pipelined architecture delivering 14-bit results in 32 SCK cycles, with aperture skew between channels limited to 200ps and jitter of 0.3ps. The 3-wire serial interface (SCK, CONV, SDO) supports three power states: Active (4.7mA), Nap (1.1mA), and Sleep (2.0μA).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 14-bit with no missing codes; LSB = 152μV for full-scale 2.5V differential input |
| Sampling Rate | 3Msps aggregate (1.5Msps per channel); enables real-time I/Q demodulation at Nyquist up to 750kHz |
| SINAD | 73.5dB at 750kHz input; ensures ≥12.0 ENOB for high-fidelity signal reconstruction |
| CMRR | 80dB at 100kHz; suppresses ground-loop noise in industrial sensor interfaces |
| Power Consumption | 14mW typical in Active mode; 10μW in Sleep mode for battery-powered DAQ systems |
| Input Range | 0V to 2.5V differential; absolute pin voltage range 0V to VDD (3V) supports single-supply sensor front-ends |
| Aperture Skew | 200ps max between CH0 and CH1; preserves phase coherence in multiphase motor current sensing |
Pinout & Package
Package: 10-lead MSOP (MSE), exposed pad grounded, θJA = 40°C/W, JEDEC MO-187 variant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| CH0+ (Pin 1) | Noninverting analog input, Channel 0 | Differential pair with CH0–; accepts 0–3V absolute voltage, contributes to 0–2.5V differential span |
| CH0– (Pin 2) | Inverting analog input, Channel 0 | Completes differential pair; common-mode range matches CH0+, enables rejection of shared noise |
| VREF (Pin 3) | 2.5V internal reference output | Bypassed with 10μF + 0.1μF; overdrivable with external 2.55–3.3V reference for extended span |
| CH1+ (Pin 4) | Noninverting analog input, Channel 1 | Simultaneously sampled with CH0+; identical electrical specs support matched channel performance |
| CH1– (Pin 5) | Inverting analog input, Channel 1 | Enables independent differential measurement; offset match to CH0 ≤ ±0.5 LSB ensures channel tracking |
| GND (Pins 6, 11) | Analog/digital ground & exposed pad | Single low-impedance return path; exposed pad must be soldered to PCB ground plane for thermal and noise control |
| VDD (Pin 7) | 3V supply input | Powers entire IC; requires local 10μF + 0.1μF bypassing to maintain PSRR > –65dB at 1MHz |
| SDO (Pin 8) | 3-state serial data output | Outputs 14-bit CH0 result followed by 14-bit CH1 result in 32 clocks; tri-states when SCK inactive |
| SCK (Pin 9) | Serial clock input | Rising-edge synchronized; minimum pulse width 2ns; controls data timing and wake-up from Nap/Sleep |
| CONV (Pin 10) | Convert start trigger | Rising edge initiates simultaneous sampling; pulse count determines power state (1=Active, 2=Nap, ≥4=Sleep) |
Key Features
| Feature | Design Value |
|---|---|
| Simultaneous sampling | Guarantees sub-200ps inter-channel aperture skew for phase-critical applications like motor current vector control |
| 80dB CMRR at 100kHz | Eliminates need for external instrumentation amplifiers in noisy industrial environments with long sensor cables |
| 3-wire serial interface | Reduces MCU GPIO count and PCB routing complexity versus parallel-output ADCs while maintaining 1.5Msps throughput |
| 10μW Sleep mode | Extends battery life in portable test equipment without requiring external power gating circuitry |
| Internal 2.5V reference | Provides stable, low-drift conversion reference without external components-critical for compact, low-BOM designs |
| MSOP-10 package | 10-pin footprint with exposed pad enables high-density layouts and efficient thermal dissipation in space-constrained modules |
Applications
| Telecommunications I/Q Demodulation | Data Acquisition Systems |
|---|---|
|
Use Scenario: Digitizing in-phase and quadrature baseband signals from RF mixers in software-defined radios. IC Role / Device Role / Timing Role: Simultaneous sampling ADC capturing CH0 (I) and CH1 (Q) at exact same instant to preserve phase relationship. Use Value: 200ps aperture skew ensures <0.01° phase error at 100MHz IF, enabling accurate constellation mapping. |
Use Scenario: High-speed monitoring of multiple analog sensors (voltage, current, temperature) in industrial PLCs. IC Role / Device Role / Timing Role: Dual-channel ADC acquiring synchronized samples from isolated sensor front-ends for real-time FFT analysis. Use Value: 73.5dB SINAD at 750kHz supports 12+ ENOB for detecting subtle harmonic distortions in power quality analyzers. |
| Multiphase Motor Control | Uninterruptible Power Supplies |
|
Use Scenario: Measuring phase currents in 3-phase inverters for field-oriented control algorithms. IC Role / Device Role / Timing Role: Simultaneous sampling of two motor phase currents (e.g., IA and IB) to compute third (IC) via Kirchhoff's law. Use Value: Matched gain/offset (<±1 LSB) between CH0 and CH1 ensures <0.5% torque ripple in closed-loop servo drives. |
Use Scenario: Real-time voltage and current monitoring during AC line transients and battery switchover events. IC Role / Device Role / Timing Role: Dual ADC channel capturing line voltage (CH0) and load current (CH1) with precise time alignment. Use Value: 3Msps aggregate sampling detects sub-microsecond overvoltage spikes, triggering protection within 333ns. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-channel simultaneous-sampling ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADS8860IDRCT | 16-bit, 1Msps, SPI interface, no internal reference, 1.8V supply only | Higher resolution but lower speed; requires external reference and level-shifting for 3V systems | Choose for DC-precision applications where 1Msps suffices and 16-bit resolution outweighs speed loss |
| AD7352BRUZ | 14-bit, 3Msps, parallel/serial interface, 2.5V internal reference, 2.7–5.25V supply | Same resolution/speed but larger 32-lead TSSOP package and higher 15mW active power | Choose when board layout allows larger footprint and parallel interface simplifies FPGA integration |
Compared with ADS8860IDRCT and AD7352BRUZ, the LTC1407ACMSE#PBF uniquely balances 14-bit resolution, 3Msps simultaneous sampling, ultra-low 10μW Sleep power, and compact MSOP-10 packaging-making it optimal for portable, phase-sensitive, and thermally constrained designs.
Availability
LTC1407ACMSE#PBF is available at Aetrix Electronics and suitable for telecommunications infrastructure, industrial data acquisition, multiphase motor control, uninterruptible power supplies, and I/Q demodulation systems requiring stable component supply and guaranteed long-term availability.
Supply support for LTC1407ACMSE#PBF includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Analog Devices (acquired Linear Technology in 2017) is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors.
The LTC1407/LTC1407A family was designed for portable, high-speed, low-power data acquisition where simultaneous sampling, small size, and single-supply operation are critical-targeting telecom, industrial, and energy systems.
FAQ
What is the maximum sampling rate per channel for the LTC1407ACMSE#PBF?
The LTC1407ACMSE#PBF achieves 1.5Msps per channel with simultaneous sampling, resulting in a total aggregate rate of 3Msps. This is confirmed in the "Converter Characteristics" table under fSAMPLE(MAX), where the LTC1407A grade specifies 1.5MHz minimum sampling frequency per channel across the full 0°C to 70°C operating range.
Does the LTC1407ACMSE#PBF include an internal voltage reference?
Yes, the LTC1407ACMSE#PBF integrates a factory-trimmed 2.5V bandgap reference (VREF pin) with ±15 ppm/°C tempco and 600μV/V line regulation. It can be overdriven by an external reference between 2.55V and VDD, as specified in the "Internal Reference Characteristics" section.
What is the aperture skew between CH0 and CH1 in the LTC1407ACMSE#PBF?
The aperture skew between CH0 and CH1 is guaranteed to be ≤200ps, as stated in the "Analog Input" specifications table under parameter tSK. This tight skew enables accurate phase measurements in I/Q demodulation and motor control applications.
How does the Sleep mode function on the LTC1407ACMSE#PBF?
Sleep mode is activated by applying four or more CONV pulses while SCK is held static (high or low), reducing supply current to 2.0μA. The internal reference requires 2ms to settle after wake-up, as documented in Note 14 and the "Timing Characteristics" table (t12 = 2ms).
What package type is used for the LTC1407ACMSE#PBF?
The LTC1407ACMSE#PBF uses a 10-lead plastic MSOP (MSE) package with an exposed pad that must be soldered to the PCB ground plane. This is explicitly listed in the "Order Information" table and confirmed in the "Pin Configuration" diagram.
LTC1407ACMSE#PBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad
- Packaging:
- Tube
- Product Status:
- Active
- Number of Bits:
- 14
- Sampling Rate (Per Second):
- 3M
- Number of Inputs:
- 2
- Input Type:
- Differential, Single Ended
- Data Interface:
- SPI
- Configuration:
- S/H-MUX-ADC
- Ratio - S/H:ADC:
- 2:1
- Number of A/D Converters:
- 1
- Architecture:
- Pipelined
- Reference Type:
- External, Internal
- Voltage - Supply, Analog:
- 2.7V ~ 3.6V
- Voltage - Supply, Digital:
- 2.7V ~ 3.6V
- Features:
- Simultaneous Sampling
- Operating Temperature:
- 0°C ~ 70°C
- Supplier Device Package:
- 10-MSOP-EP
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
LTC1407ACMSE#PBF FAQ
1.How can I place an order for LTC1407ACMSE#PBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC1407ACMSE#PBF on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for LTC1407ACMSE#PBF reliable?
The price and inventory of LTC1407ACMSE#PBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LTC1407ACMSE#PBF is usually 5 days.
3.What payment methods are accepted for LTC1407ACMSE#PBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC1407ACMSE#PBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LTC1407ACMSE#PBF?
LTC1407ACMSE#PBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC1407ACMSE#PBF order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for LTC1407ACMSE#PBF?
For technical support, including LTC1407ACMSE#PBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC1407ACMSE#PBF requirements.
6.How does Aetrix verify that LTC1407ACMSE#PBF is sourced from the original manufacturer or authorized distributors?
All LTC1407ACMSE#PBF products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that LTC1407ACMSE#PBF meets industry standards.
7.What is the process for return or replacement of LTC1407ACMSE#PBF?
All LTC1407ACMSE#PBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC1407ACMSE#PBF, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The LTC1407ACMSE#PBF part is unused and in its original packaging.
Return procedure for LTC1407ACMSE#PBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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